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FLOOD10515
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Last modified
1/26/2010 10:24:01 AM
Creation date
6/17/2008 2:35:59 PM
Metadata
Fields
Template:
Floodplain Documents
County
Gunnison
Community
Marble and Vicinity
Stream Name
Crystal River
Basin
Gunnison
Title
Floodplain Information Report Crystal River - Technical Appendix
Date
5/1/2004
Prepared For
Marble and CWCB
Prepared By
ICON Engineering, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br /> <br />I <br /> <br />Crys'talRiver. rep <br />warning: The velocity head has changed by more than 0.5 ft (0.15 m). This may indicate the need for <br />additional cross sections. <br />warning: The energ~ loss was greater than 1.0 ft (0.3 m). between the current and previous c;ross section. <br />This may lndicate the need for additional cross sections. <br />warning: During the standard step iterations". when the assuned water surface was set ~u.l to critical <br />depth. the calculated water surface came back below critical depth. This 1mhcates that there is <br />not a valid subcritical answer. The program defaulted to critit:a' depth. <br /> <br />I <br /> <br />CROSS SECTION OUTPUT <br /> <br /> <br />~.r' H~~~v (m) <br /> <br />w.s. Elev (ft) <br />crit w.s. (ft) <br />E. G. slo~e (ft/ft) <br />Q Tot,l (cfs) <br />Tap wi dth (ft) <br />vel Total (ft/s) <br />Max chl Opth (ft) <br />Conv. Tota' (cfs) <br />Length wtd. (ft) <br />Min ch El (ft) <br />Alpha <br />Fret" Loss (fftt) <br />C &r E Loss ( ) <br /> <br />Profi 1 e #SOO-year <br /> <br />7882.99 Element <br />2.09 Wt. n-val. <br />7880.89 Reach Len. (ft) <br />7880.89 Flow Area (sq ft) <br />0.010901 Area (sq ft) <br />2515.00 Flow (cfs) <br />68.50 Tap Wldth (ft) <br />9. 53 AV~. vel. (ft/S~ <br /> <br />240~7~~ ~n~: ~~~~~ (ft <br /> <br />506.40 wetted Per. (ft) <br />7875.81 Shear (lb/sq ft) <br />1.49 Stream Power (lb/ft s) <br />6.64 Cum volume (acre-ft) <br />0.25 CUlll SA (acres) <br /> <br />Left DB <br />0.060 <br />520.60 <br />50.49 <br />50.49 <br />236.08 <br />20.14 <br />4.68 <br />2.51 <br />2261.1 <br />20.77 <br />1.65 <br />7.74 <br />45.12 <br />25.82 <br /> <br />channel <br />0.035 <br />502.01 <br />143.50 <br />143.50 <br />1875.65 <br />28.34 <br />13.07 <br />5.06 <br />17964.2 <br />28.34 <br />3.45 <br />45.04 <br />68.80 <br />16.83 <br /> <br />Hi 8~~~B <br /> <br />487.00 <br />70.00 <br />70.00 <br />403.27 <br />20.02 <br />5.76 <br />3.50 <br />3862,4 <br />21.05 <br />2.26 <br />13.04 <br />46.65 <br />26.52 <br /> <br />I <br /> <br />I <br /> <br />warning: <br />Warn; ng: <br />Warn; no: <br />warning: <br /> <br />I <br /> <br />The energy equation could not be balanced within the specified number of iterations a The <br />program used critical depth for the water surface and continued on with the calculations. <br />The velocity head has changed by more than 0.5 ft (0.15 II). This may indicate the need for <br />additional cross sections. <br />i~~se~:~g~n~f~:t:a~h~r~:~~r f~~a~d~i~i:~afOc~o:~. s~~~~:. the current and previous cross section. <br />~~~~~~ f~: ~;~~~~~~e~t:~t~~e~~~}~~:. c::nb;~~ ~f::e~r~:{~~lS~~:~~~ ~~i:efn~~:~e~O t~~~t~~:~e is <br />not a valid subcritical answer. The program defaulted to critical depth. <br />CROSS SECTION <br /> <br />I <br /> <br />RIVER: crysta 1 <br />REACH: Marble <br /> <br />RS: 14921 <br /> <br />I <br /> <br />INPUT <br />~i:~i~~t~V:~ation Data num_ <br />Sta Elev Sta Elev <br />o 7910.52 2.49 7908.55 <br />20.8 7894.01 21.57 7893.81 <br />46.85 7887.01 54.29 7885.02 <br />64.64 7882.24 75 7879.46 <br />103.94 7872.27 106.08 7871.77 <br />144.71 7868.66 147.51 7868.~ <br />172.68 7868.21 177.33 7868.1 <br />218.11 7866.29 223.25 7866.25 <br />245.35 7865.7 249.47864.98 <br />307.917862.82 310.24 7863 <br />325.25 7862.78 326.49 7862.6 <br />346.96 7862.28 349.73 7862.61 <br />363.03 7864.76 373.85 7870 <br />388.89 7881.02 389.41 7881.41 <br />404.97 7892.84 410.42 7895.47 <br />426.327902.87 427.197903.36 <br /> <br />80 <br />Sta Elev <br />6.08 7905.79 <br />23.21 7893.37 <br />55.01 7884.83 <br />79.47 7878.27 <br />121. 56 7869.88 <br />157.87 7868.42 <br />185.49 7868.04 <br />225.87 7866.26 <br />256.65 7863.59 <br />311.44 7863.09 <br />329.54 7862.3 <br />353.64 7863.06 <br />374.93 7870.38 <br />396.23 7885.69 <br />415 7897.28 <br />430.05 7902.69 <br /> <br />Sta E1 ev <br />12.85 7900.37 <br />30.54 7891.39 <br />57.67 7884.11 <br />95.72 7873.91 <br />126.44 7869.22 <br />161.02 7868.35 <br />199.31 7866.97 <br />232.24 7866.11 <br />260.43 7862.89 <br />316.28 7863.27 <br />344.21 7861.98 <br />358.3 7863.53 <br />375.84 7870.89 <br />401.95 7890.88 <br />417.52 7898.55 <br />433.75 7900.92 <br /> <br />Sta El ev <br />14.4 7899.14 <br />43.93 7887.8 <br />63.16 7882.64 <br />96.01 7873.85 <br />136.56 7868.8 <br />168.23 7868.3 <br />209.67 7866.55 <br />242.7 7865.93 <br />287.96 7862.81 <br />323.62 7862.88 <br />344.88 7862.06 <br />360.15 7863.73 <br />382.03 7874.77 <br />403.32 7891.84 <br />420.52 7900.09 <br />435.98 7900.58 <br /> <br />I <br /> <br />I <br /> <br />Manning's n values num... 5 <br />Sta n val St, n val Sta n val Sta n Val Sta n val <br />0 .06 245.35 .05 329.54 .035 346.96 .05 360.15 .06 <br />Bank Sta: Left Ri ght Lengths: Left channel Right coeff Contr. Expan. <br />329.54 346.96 552.68 542.09 587.67 .1 .3 <br /> <br />I <br /> <br />CROSS SECTION OUTPUT Profi 1 e #lOO-year <br />~.r' H~~dv (m) 7866.56 Element Left OB channel Hi 8~~5gB <br />1.17 Wt. n-val. 0.050 0.035 <br />W.s. olev (ft) 7865.39 Reach Len. (ft) 552.68 542.09 587.67 <br />crit W.s. (ft) 7865.39 Flow Area (sq ft) 190.73 56.65 34.89 <br />E.G. slo~e (ft/ft) 0.016687 :r~: ~~'s~t) 190.73 56.65 34.89 <br />Q Total (cfs) 2181.00 1277.73 681.33 221.94 <br />TO~ wi dth ~ ft) 117.24 Tap width eft) 82.45 17.42 17.37 <br />Ve Total ft/s) 7.73 AV~. vel. eft/s~ 6.70 12.03 6.36 <br />Max chl Dpth eft) 3.41 Hy r. Depth (ft 2.31 3.25 2.01 <br />Cony. Total (cfs) 16883.9 Cony. (cfs) 9891.4 5274.4 1718.1 <br />Length wtd. eft) 554.68 Wetted Per. (ft~ 82.74 17.44 17.78 <br />Mi n ch 01 eft) 7861. 98 shear (lb/sq ft 2.40 3.38 2.04 <br />Alpha 1.27 Stream Power (lIft s) 16.09 40.70 13.01 <br />Fretn Loss ~ft~ 6,53 Cum volume (acre-ft) 36.80 62.23 38.22 <br />CitE Loss ft 0.10 Cum SA (acres) 21.51 16.57 23.21 <br /> <br />I <br /> <br />I <br /> <br />warning: <br />Warning: <br />warni ng: <br /> <br />The energy equation could not be balanced within the specified number of iterations. The <br />program used critical depth for the water surface and continued on with the calculations. <br />The energ~ loss was greater than 1.0 ft (0.3 m). between the cu("rent and previous cross section. <br />This may lndicate the need for additional cross sections. <br />During the standard step iterations, when the assumed water surface was set ~ual to critical <br />depth. the calculated water surface came back below critical depth. This indlcates that there is <br />not a valid subcritical answer. The program defaulted to critical depth. <br /> <br />I <br /> <br />CROSS SECTION OUTPUT Profi le #Floodway <br />M' H~~~v (~g> 7866.94 El ement Left 08 channel <br />1. 35 wt. n-val. 0.050 0.035 <br />w.s. flev ~ft~ 7865.59 Reach Len. (ft) 552.68 542.09 <br />crit W.S. ft 7865.59 Flow Area (sq ft) 189.02 60.12 <br />E.G. 5lo~e (ft/ft) 0.018922 Are, ~s~ ft) 189.02 60.12 <br />Q Total (cfs) 2181:00 Flow c s) 1467.51 713.49 <br />TO~ width ~ft) 86.96 Tap wi dth (ft) 69.54 17.42 <br />Ve Tot,l ft/s) 8.,75 ~;~~. v~~~t~ f2~~~ 7.76 11.87 <br />Max ch 1 Opth (ft) 3.~1 2.72 3.45 <br />Conv. Total ~CfS) 15855.1 Conv. (cfs) 10668.3 5186.8 <br />Length wtd. ft) 548.65 wetted Per. (ft) 72.22 20.75 <br />Min ch 01 (ft) 7861.98 ~~~:~ (~~:~ m/ft s) 3.09 3.42 <br />Alpha 1:13 24.00 40.62 <br />Frctn Loss ~ft) 8.59 Cum volume (acre-ft) 16.00 68.64 <br />carE Loss ft) 0.08 Cum SA (acres) 6.16 16.57 <br /> <br />Hi ght 08 <br />587.67 <br /> <br />I <br /> <br />I <br /> <br />11.46 <br />5.11 <br /> <br />I <br /> <br />warning: The energy equation could not be balanced within the specified number of iterations. The <br />program used critical depth for the water surface and continued on with the calculations. <br />warning: The velocity head has changed by more than 0.5 ft (0415 m). This may indicate the need for <br />additional cross sections. <br />Warning: The energy loss was greater than 1.0ft (0.3 m). between the current and previous cross section. <br />This may lndicate the need for additional cross sections. <br />warning: During the standard step iterations. when the assumed water surface was set equal to critical <br />depth. the calculated water surface came back below critical depth. This indlcat'es that. there is <br />not a valid subcritical answer. The program defaulted to critical depth. <br /> <br />CROSS SECTION OUTPUT Profile lIb-year <br /> <br />I <br /> <br />Page 32 <br /> <br />I <br /> <br />
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